Finding the Third Proportional to 345,870 and 745,104

Step by Step Solution

1. Step 1: Write the proportion equation
   345,870 : 745,104 = 745,104 : x
2. Step 2: Convert to fraction form
   345,870/745,104 = 745,104/x
3. Step 3: Cross multiply
   345,870x = 745,104 × 745,104
4. Step 4: Simplify right side
   345,870x = 555,179,970,816
5. Step 5: Solve for x
   x = 555,179,970,816/345,870
6. Step 6: Final answer
   x = 1,605,169.49